43114581216 has 144 divisors (see below), whose sum is σ = 140467672800. Its totient is φ = 12288098304.

The previous prime is 43114581203. The next prime is 43114581217. The reversal of 43114581216 is 61218541134.

43114581216 is a `hidden beast` number, since 43 + 1 + 14 + 581 + 21 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

It is a super-2 number, since 2×43114581216² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43114581217) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 798400 + ... + 850688.

It is an arithmetic number, because the mean of its divisors is an integer number (975469950).

Almost surely, 2^43114581216 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 43114581216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70233836400).

43114581216 is an abundant number, since it is smaller than the sum of its proper divisors (97353091584).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

43114581216 is a wasteful number, since it uses less digits than its factorization.

43114581216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52721 (or 52710 counting only the distinct ones).

The product of its digits is 23040, while the sum is 36.

The spelling of 43114581216 in words is "forty-three billion, one hundred fourteen million, five hundred eighty-one thousand, two hundred sixteen".